package cn.woblog.android.common.utils;

import java.security.MessageDigest;

public class MD5 {

	public static String string2MD5(String inStr) {
		MessageDigest md5 = null;
		try {
			md5 = MessageDigest.getInstance("MD5");
		} catch (Exception e) {
			System.out.println(e.toString());
			e.printStackTrace();
			return "";
		}
		char[] charArray = inStr.toCharArray();
		byte[] byteArray = new byte[charArray.length];

		for (int i = 0; i < charArray.length; i++)
			byteArray[i] = (byte) charArray[i];
		byte[] md5Bytes = md5.digest(byteArray);
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
			int val = ((int) md5Bytes[i]) & 0xff;
			if (val < 16)
				hexValue.append("0");
			hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString();

	}

	public static String string2MD5UTF8(String source) {

		try {
			MessageDigest md = MessageDigest.getInstance("MD5");
			md.reset();
			md.update(source.getBytes("UTF-8"));
			byte[] byteArray = md.digest();
			StringBuffer rs = new StringBuffer();
			for (int i = 0; i < byteArray.length; i++) {
				if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
					rs.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
				} else {
					rs.append(Integer.toHexString(0xFF & byteArray[i]));
				}
			}
			return rs.toString();
		} catch (Exception e) {
			return source;
		}

	}

	public static void main(String args[]) {

		String s = new String("The quick brown fox jumps over the lazy dog");

		System.out.println("string is " + s);

		String md5 = string2MD5(s);

		System.out.println("MD5 string is " + md5);

	}
}
